docs: def updateMetadata(self, metadataFile):
          """
          updates or adds the current item's metadata
          metadataFile is the path to the XML file to upload.
          Output:
           dictionary
          """
          ip = ItemParameter()
          ip.metadata = metadataFile
          res = self.userItem.updateItem(itemParameters=ip,
                                         metadata=metadataFile)
          del ip
          return res